Home / 1,121,000.16-1,546,576.02-862,956

Finding the Fourth Proportional to 1,121,000.16, 1,546,576.02 and 862,956

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Solution

The fourth proportional to 1,121,000.16, 1,546,576.02 and 862,956 is: 1,190,568.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,000.16 : 1,546,576.02 = 862,956 : x
  2. Step 2: Convert to fraction form
    1,121,000.16/1,546,576.02 = 862,956/x
  3. Step 3: Cross multiply
    1,121,000.16x = 1,546,576.02 × 862,956
  4. Step 4: Simplify right side
    1,121,000.16x = 1,334,627,055,915.12
  5. Step 5: Solve for x
    x = 1,334,627,055,915.12/1,121,000.16
  6. Step 6: Final answer
    x = 1,190,568.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.